45312100 - Fire-alarm system installation work

CPV code 45312100 in the EU Common Procurement Vocabulary refers to Fire-alarm system installation work. It sits at level 5 of the CPV hierarchy as a subcategory within the 45 division. This code is nested directly under 45312000, narrowing the broader category into the specific area of fire-alarm system installation work. As a leaf code, 45312100 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns fire-alarm system installation work. Contracting authorities across the EU use 45312100 in TED notices and national procurement portals to signal that a tender relates to fire-alarm system installation work.